Home / 857,919.88-1,184,031.78-495,432.04

Finding the Fourth Proportional to 857,919.88, 1,184,031.78 and 495,432.04

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Solution

The fourth proportional to 857,919.88, 1,184,031.78 and 495,432.04 is: 683,755.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,919.88 : 1,184,031.78 = 495,432.04 : x
  2. Step 2: Convert to fraction form
    857,919.88/1,184,031.78 = 495,432.04/x
  3. Step 3: Cross multiply
    857,919.88x = 1,184,031.78 × 495,432.04
  4. Step 4: Simplify right side
    857,919.88x = 586,607,280,190.23
  5. Step 5: Solve for x
    x = 586,607,280,190.23/857,919.88
  6. Step 6: Final answer
    x = 683,755.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.